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Muswellbrook
New South Wales · Hunter Valley exc Newcastle · 16,154 people · 24 suburbs · 4 postcodes
Muswellbrook at a glance
Map shows the Muswellbrook LGA boundary in blue with a marker per suburb. Hover for suburb name, click for details.
Marker colour reflects SEIFA IRSAD decile: ● 1-2 (most disadvantaged), ● 3-4, ● 5-6, ● 7-8, ● 9-10 (most advantaged).
Boundary source: ABS ASGS 2021. Map tiles: OpenStreetMap contributors.
Federal electorate boundaries can be toggled on the map. Boundary source: ABS ASGS 2021 CED boundaries.
Muswellbrook is a Local Government Area in New South Wales, in the Sydney region. It covers 24 suburbs across 4 postcodes and an area of 3,285 km². Muswellbrook has a population of 16,154 , ranking #75 most populous in NSW. The most populous suburb is Muswellbrook (12,272 residents).About 8.3% of residents were born overseas and 4.0% speak a language other than English at home.
Who lives here
Age structure
Show counts
| 0–14 years | 3,417 (21.2%) |
| 15–24 years | 1,917 (11.9%) |
| 25–44 years | 4,317 (26.8%) |
| 45–64 years | 4,025 (25.0%) |
| 65+ years | 2,438 (15.1%) |
How they live
Housing tenure
Dwelling type mix
Work and learning
Schools in Muswellbrook
10 schools across Muswellbrook: 60.0% Government, 20.0% Catholic, 20.0% Independent. The NSW average is 69.6% / 16.9% / 13.5%. Schools here have a median ICSEA of 950 (range 814 to 1026). NSW median is 1005; national mean is 1000.
Sector mix
Type breakdown
ICSEA range
ICSEA (Index of Community Socio-Educational Advantage) summarises the socio-economic background of each school's families. Higher values indicate more advantage. Source: ACARA 2025.
All 10 schools in Muswellbrook, sorted by enrolment:
| School | Sector | Type | Suburb | Students | ICSEA |
|---|---|---|---|---|---|
| Muswellbrook High School | Government | Secondary | Muswellbrook | 648 | 869 |
| Muswellbrook South Public School | Government | Primary | Muswellbrook | 439 | 819 |
| Muswellbrook Public School | Government | Primary | Muswellbrook | 422 | 913 |
| St James' Primary School | Catholic | Primary | Muswellbrook | 345 | 952 |
| Denman Public School | Government | Primary | Denman | 147 | 949 |
| Pacific Brook Christian School | Independent | Combined | Muswellbrook | 88 | 950 |
| Richard Gill School | Independent | Primary | Muswellbrook | 43 | 996 |
| St Joseph's Primary School | Catholic | Primary | Denman | 42 | 1026 |
| Sandy Hollow Public School | Government | Primary | Sandy Hollow | 23 | 814 |
| Martindale Public School | Government | Primary | Martindale | 7 | 992 |
Source: ACARA School Profiles 2025. ICSEA shown where reported; some schools (notably small primaries) do not publish ICSEA.
SEIFA socio-economic indexes
SEIFA 2021 ranks Australian areas across four dimensions. Scores are population-weighted averages of suburb-level SEIFA scores within Muswellbrook. Higher scores indicate more advantage; the national mean is 1000.
IRSAD
Relative socio-economic advantage and disadvantage
IRSD
Relative disadvantage only (lower = more disadvantaged)
IER
Economic resources: income, wealth, housing
IEO
Education and occupation: qualifications, skill levels
Suburbs in Muswellbrook
Muswellbrook contains 24 suburbs and 4 postcodes. Sorted by population.
| Suburb | Postcode | Population | Median income | Median age |
|---|---|---|---|---|
| Muswellbrook | 2333 | 12,272 | $1,603/wk | 35 |
| Denman | 2328 | 1,821 | $1,427/wk | 43 |
| Muscle Creek | 2333 | 313 | $3,083/wk | 38 |
| Mccullys Gap | 2333 | 262 | $2,299/wk | 41 |
| Sandy Hollow | 2333 | 188 | $1,300/wk | 44 |
| Martindale | 2328 | 168 | $1,812/wk | 39 |
| Giants Creek | 2328 | 149 | $1,187/wk | 43 |
| Castle Rock | 2333 | 131 | $3,041/wk | 44 |
| Yarrawa | 2328 | 101 | $1,437/wk | 44 |
| Wybong | 2333 | 100 | $2,062/wk | 37 |
| Baerami | 2333 | 93 | $1,208/wk | 48 |
| Widden | 2328 | 87 | $1,937/wk | 29 |
| Mangoola | 2328 | 76 | $1,375/wk | 46 |
| Manobalai | 2333 | 76 | $1,833/wk | 56 |
| Bureen | 2328 | 70 | $2,125/wk | 42 |
| Dalswinton | 2328 | 57 | $1,812/wk | 36 |
| Kayuga | 2333 | 49 | $1,416/wk | 45 |
| Hollydeen | 2328 | 44 | $1,875/wk | 47 |
| Baerami Creek | 2333 | 27 | $1,416/wk | 41 |
| Rouchel Brook | 2336 | 22 | $1,583/wk | 56 |
| Bowmans Creek | 2330 | 17 | $1,249/wk | 39 |
| Bengalla | 2333 | 16 | $1,875/wk | 46 |
| Kerrabee | 2328 | 11 | $725/wk | 60 |
| Edderton | 2333 | 4 | $1,875/wk | 50 |
Postcodes covered
Compare Muswellbrook with neighbouring LGAs
Side-by-side demographic and socio-economic snapshot of Muswellbrook and its closest neighbouring LGAs.
| LGA | Population | Median age | SEIFA IRSAD | % renting | % overseas-born |
|---|---|---|---|---|---|
| Muswellbrook (NSW) | 16,154 | 36.8 | 906 | 35.6% | 8.3% |
| Upper Hunter Shire | 14,201 | 42.2 | 943 | 26.0% | 9.1% |
| Singleton | 22,857 | 37.6 | 961 | 26.5% | 8.6% |
| Mid-Western Regional | 25,598 | 41.5 | 948 | 25.5% | 8.1% |
Services and amenities
Frequently asked questions about Muswellbrook
What is the population of Muswellbrook?
The 2021 Census recorded 16,154 people living in Muswellbrook, across 24 suburbs.
What suburbs are in Muswellbrook?
Muswellbrook contains 24 suburbs. The most populous are Muswellbrook, Denman, Muscle Creek, Mccullys Gap, Sandy Hollow.See the full list in the Suburbs section above.
What postcodes are in Muswellbrook?
Muswellbrook covers 4 postcodes: 2328, 2330, 2333, 2336.
How many schools are in Muswellbrook?
Muswellbrook has 10 schools, including 6 government, 2 Catholic, and 2 independent schools (ACARA 2025).
What is the SEIFA score for Muswellbrook?
Muswellbrook has a population-weighted SEIFA IRSAD score of 906, where the national average is 1000. Higher scores indicate more relative advantage.
Page last reviewed . Data sources: Australian Bureau of Statistics 2021 Census (CC BY 4.0), SEIFA 2021 (IRSD, IRSAD, IER, IEO), ACARA School Profiles 2025, ABS ASGS 2021 LGA boundaries. How this data is sourced.